/*
 * template_SEO_UI_Baidu_Final
 * 只覆盖展示层：不改 URL、PHP 参数、数据库和内容读取逻辑。
 */

:root {
    --jl-primary: #2563eb;
    --jl-primary-dark: #1d4ed8;
    --jl-accent: #06b6d4;
    --jl-ink: #172033;
    --jl-muted: #64748b;
    --jl-line: #e6ebf2;
    --jl-surface: #ffffff;
    --jl-bg: #f5f7fb;
    --jl-shadow: 0 16px 44px rgba(15, 23, 42, .08);
    --jl-radius: 18px;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body.jl-seo-ui {
    margin: 0;
    overflow-x: hidden;
    color: var(--jl-ink);
    background: var(--jl-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
}

.jl-seo-ui *,
.jl-seo-ui *::before,
.jl-seo-ui *::after {
    box-sizing: border-box;
}

.jl-seo-ui img {
    max-width: 100%;
    height: auto;
}

.jl-seo-ui a {
    color: var(--jl-primary);
    text-decoration: none;
    transition: color .2s ease, background-color .2s ease, border-color .2s ease,
        transform .2s ease, box-shadow .2s ease;
}

.jl-seo-ui a:hover,
.jl-seo-ui a:focus {
    color: var(--jl-primary-dark);
    text-decoration: none;
}

.jl-seo-ui a:focus-visible,
.jl-seo-ui button:focus-visible {
    outline: 3px solid rgba(37, 99, 235, .28);
    outline-offset: 3px;
}

.jl-seo-ui .container {
    width: min(1160px, calc(100% - 32px));
    max-width: 1160px;
}

/* 顶部导航 */
.jl-seo-ui .header.navbar,
.jl-seo-ui .navbar-custom {
    min-height: 64px;
    border: 0;
    background: rgba(255, 255, 255, .94) !important;
    box-shadow: 0 1px 0 rgba(15, 23, 42, .08), 0 8px 30px rgba(15, 23, 42, .06);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.jl-seo-ui .navbar-brand,
.jl-seo-ui .navbar-custom .navbar-brand {
    min-height: 64px;
    display: inline-flex;
    align-items: center;
    color: var(--jl-ink) !important;
    font-weight: 800;
    letter-spacing: .02em;
}

.jl-seo-ui .brand-logo {
    width: 12px;
    height: 12px;
    margin-right: 10px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--jl-primary), var(--jl-accent));
    box-shadow: 0 0 0 6px rgba(37, 99, 235, .1);
}

.jl-seo-ui .navbar-nav > li > a,
.jl-seo-ui .navbar-custom .nav li a {
    min-height: 64px;
    display: flex;
    align-items: center;
    color: #334155 !important;
    font-size: 14px;
    font-weight: 650;
    background: transparent !important;
}

.jl-seo-ui .navbar-nav > li.active > a,
.jl-seo-ui .navbar-nav > li > a:hover,
.jl-seo-ui .navbar-custom .nav li a:hover {
    color: var(--jl-primary) !important;
}

.jl-seo-ui .navbar-toggle {
    margin-top: 14px;
    border-color: var(--jl-line) !important;
    border-radius: 10px;
    background: #fff !important;
}

.jl-seo-ui .navbar-toggle .icon-bar,
.jl-seo-ui .navbar-custom .navbar-toggle i {
    color: var(--jl-ink);
    background: var(--jl-ink);
}

/* 首屏 */
.jl-seo-ui .home,
.jl-seo-ui .intro {
    min-height: clamp(560px, 82vh, 744px) !important;
    height: auto !important;
    display: flex;
    align-items: center;
    background-color: #0f274f;
}

.jl-seo-ui .content-bg,
.jl-seo-ui .intro {
    overflow: hidden;
}

.jl-seo-ui .content-bg img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    object-position: center;
}

.jl-seo-ui .content.has-bg .content-bg::before,
.jl-seo-ui .intro::before {
    background: linear-gradient(115deg, rgba(5, 16, 40, .88), rgba(20, 56, 110, .7) 55%, rgba(6, 182, 212, .34));
}

.jl-seo-ui .home-content,
.jl-seo-ui .intro-body {
    padding-top: 92px;
    padding-bottom: 68px;
}

.jl-seo-ui .home-content {
    max-width: 900px;
    text-align: left;
}

.jl-seo-ui .home-content h1,
.jl-seo-ui .intro .brand-heading {
    margin: 0 0 18px;
    color: #fff;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.18;
    font-weight: 850;
    letter-spacing: -.025em;
    text-shadow: 0 8px 30px rgba(0, 0, 0, .2);
}

.jl-seo-ui .home-content h1 a,
.jl-seo-ui .home-content h2 a,
.jl-seo-ui .home-content h3,
.jl-seo-ui .home-content h4,
.jl-seo-ui .home-content p,
.jl-seo-ui .home-content a,
.jl-seo-ui .intro-text,
.jl-seo-ui .intro-text a {
    color: #fff;
}

.jl-seo-ui .home-content h2 {
    margin-bottom: 18px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1.18;
    font-weight: 850;
}

.jl-seo-ui .home-content h3,
.jl-seo-ui .jl-keywords {
    margin: 0 0 12px;
    color: #bfdbfe;
    font-size: clamp(16px, 2.1vw, 20px);
    font-weight: 650;
    line-height: 1.65;
}

.jl-seo-ui .home-content h4,
.jl-seo-ui .intro-text {
    max-width: 780px;
    margin-bottom: 28px;
    color: rgba(255, 255, 255, .9);
    font-size: clamp(16px, 2vw, 19px);
    font-weight: 400;
    line-height: 1.85;
}

.jl-seo-ui .btn-theme,
.jl-seo-ui .layui-btn,
.jl-seo-ui .btn.btn-theme {
    width: auto;
    min-height: 48px;
    padding: 12px 26px;
    border: 0;
    border-radius: 999px !important;
    color: #fff !important;
    background: linear-gradient(135deg, var(--jl-primary), var(--jl-accent)) !important;
    box-shadow: 0 12px 28px rgba(37, 99, 235, .3);
    font-weight: 750;
}

.jl-seo-ui .btn-theme:hover,
.jl-seo-ui .layui-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(37, 99, 235, .38);
}

/* 内容区域与卡片 */
.jl-seo-ui .content,
.jl-seo-ui #services {
    padding-top: 78px;
    padding-bottom: 78px;
    background: var(--jl-bg);
}

.jl-seo-ui .content:nth-of-type(even),
.jl-seo-ui #services {
    background: var(--jl-surface);
}

.jl-seo-ui .content-title,
.jl-seo-ui .section-title h2,
.jl-seo-ui #services h2 {
    margin: 0 auto 14px;
    color: var(--jl-ink);
    font-size: clamp(27px, 3.5vw, 38px);
    line-height: 1.3;
    font-weight: 820;
    letter-spacing: -.018em;
}

.jl-seo-ui .content-desc,
.jl-seo-ui .section-title p {
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
    color: var(--jl-muted);
    font-size: 16px;
    line-height: 1.85;
}

.jl-seo-ui .content-desc > img,
.jl-seo-ui #service > .container > img {
    width: 100% !important;
    max-height: 360px;
    height: auto !important;
    margin: 18px 0 30px;
    border-radius: var(--jl-radius);
    object-fit: cover;
    box-shadow: var(--jl-shadow);
}

.jl-seo-ui .service,
.jl-seo-ui .team,
.jl-seo-ui .service .service-icon + .service-info,
.jl-seo-ui #services .service {
    height: 100%;
}

.jl-seo-ui .service .service-info,
.jl-seo-ui #services .service,
.jl-seo-ui .team .team-info {
    margin-bottom: 24px;
    padding: 26px;
    border: 1px solid var(--jl-line);
    border-radius: var(--jl-radius);
    background: var(--jl-surface);
    box-shadow: 0 8px 30px rgba(15, 23, 42, .055);
}

.jl-seo-ui .service .service-info:hover,
.jl-seo-ui #services .service:hover,
.jl-seo-ui .team .team-info:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, .24);
    box-shadow: var(--jl-shadow);
}

.jl-seo-ui .service .title,
.jl-seo-ui #services .service h4,
.jl-seo-ui .team .name {
    color: var(--jl-ink);
    font-size: 18px;
    font-weight: 760;
    line-height: 1.5;
}

.jl-seo-ui .service .desc,
.jl-seo-ui #services .service p,
.jl-seo-ui .team p {
    color: var(--jl-muted);
    line-height: 1.8;
}

.jl-seo-ui .service .service-icon,
.jl-seo-ui #services .service > i {
    color: var(--jl-primary);
}

.jl-seo-ui .team .image img,
.jl-seo-ui #services img {
    border-radius: 16px;
    object-fit: cover;
}

.jl-seo-ui .content.bg-black-darker,
.jl-seo-ui .has-bg.bg-black-darker {
    background: linear-gradient(135deg, #0f172a, #173a73) !important;
}

/* 页脚 */
.jl-seo-ui .footer,
.jl-seo-ui #footer {
    padding: 42px 0;
    color: #94a3b8;
    background: #0f172a !important;
    line-height: 1.9;
}

.jl-seo-ui .footer a,
.jl-seo-ui #footer a {
    color: #cbd5e1;
}

.jl-seo-ui .footer a:hover,
.jl-seo-ui #footer a:hover {
    color: #fff;
}

.jl-seo-ui .theme-panel {
    display: none !important;
}

.jl-scroll-anchor {
    display: block;
    position: relative;
    top: -72px;
    visibility: hidden;
}

@media (max-width: 767px) {
    body.jl-seo-ui {
        font-size: 15px;
    }

    .jl-seo-ui .container {
        width: min(100% - 24px, 1160px);
    }

    .jl-seo-ui .navbar-collapse,
    .jl-seo-ui .navbar-custom .navbar-main-collapse {
        border: 0;
        border-radius: 0 0 16px 16px;
        background: rgba(255, 255, 255, .98) !important;
        box-shadow: 0 18px 34px rgba(15, 23, 42, .1);
    }

    .jl-seo-ui .navbar-nav > li > a,
    .jl-seo-ui .navbar-custom .nav li a {
        min-height: 46px;
        padding: 10px 20px;
    }

    .jl-seo-ui .home,
    .jl-seo-ui .intro {
        min-height: 500px !important;
    }

    .jl-seo-ui .home-content,
    .jl-seo-ui .intro-body {
        padding-top: 88px;
        padding-bottom: 42px;
        text-align: center;
    }

    .jl-seo-ui .home-content h1,
    .jl-seo-ui .home-content h2,
    .jl-seo-ui .intro .brand-heading {
        font-size: clamp(30px, 9vw, 42px);
    }

    .jl-seo-ui .home-content h4,
    .jl-seo-ui .intro-text {
        font-size: 16px;
    }

    .jl-seo-ui .btn-theme,
    .jl-seo-ui .layui-btn,
    .jl-seo-ui .btn.btn-theme {
        width: 100%;
        max-width: 360px;
    }

    .jl-seo-ui .content,
    .jl-seo-ui #services {
        padding-top: 54px;
        padding-bottom: 54px;
    }

    .jl-seo-ui .service .service-info,
    .jl-seo-ui #services .service,
    .jl-seo-ui .team .team-info {
        padding: 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .jl-seo-ui *,
    .jl-seo-ui *::before,
    .jl-seo-ui *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}